Snakeheads Invade the United StatesTeach your students about the challenges nonnative species pose by focusing on a current example, the northern snakehead fish. Native to China, Russia, and Korea, this fish has established breeding populations in several states. Find out how this might have happened and what scientists are doing about it. View »

Schoolyard Field StudyConduct a field study of your schoolyard with this activity. It’s an opportunity for students to apply what they’ve learned throughout the year. Students work in groups of 2 to 3 over several class periods. View »